Seeing is Believing: 358rwhp, 400rwtq Supercharged IS350 (DYNO'd) - Page 4 - Club Lexus Forums


Seeing is Believing: 358rwhp, 400rwtq Supercharged IS350 (DYNO'd)

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Old 01-16-13, 08:21 PM   #46
Alias
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Awesome build, and glad to see the numbers to prove it!
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Old 01-16-13, 08:29 PM   #47
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Awesome, congrats on the success of getting that installed. Even happier to see vids and pics right after. That is one fast 350.
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Old 01-16-13, 08:44 PM   #48
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Quote:
Originally Posted by Gville350 View Post
Any pics of the meth setup? Got close-ups of where you installed the bung?
It's right on the under side of the charge piping.

Quote:
Originally Posted by Toxicxk23 View Post
Awesome pics! I love how you did the meth tank! All in all how much did this end up costing you?
If i told you, it wouldn't be accurate, because Justin from BTTW put MANY hours into this that he did not charge me for, simply because he loves his work. He came up with ideas, and would surprise me with them, and not charge me for the 4 hours it took. (ex/ the water meth tank was hand designed, welded, and carpeted as a one off project). The guy is awesome!
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Old 01-16-13, 08:54 PM   #49
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Awesome....awesome, awesome...
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Old 01-16-13, 09:07 PM   #50
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this thread is full of win.
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Old 01-16-13, 09:11 PM   #51
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Congrats. I'm sure it wasnt cheap and you have quite an accomplishment to show! Sounds great too. Now it just needs to be summer so you dont die on those Ohio roads hah.
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Old 01-16-13, 09:52 PM   #52
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Nicely executed, I like
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Old 01-16-13, 10:17 PM   #53
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Must be nice...
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Old 01-16-13, 10:57 PM   #54
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insane.. and beautiful very nice build man!
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Old 01-16-13, 11:06 PM   #55
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Quote:
Originally Posted by HKS350 View Post
12.3 isn't bad and is pretty safe at this point. So some things that need to be considered.


Go to this website and get a HKS F-conIS: http://1jzmerc.com/hks-faq/hardware/f-con-iS

I helped these guy's with mapping the F-Con and they will provide you with a jumper harness for the IS350.
I can send you a MAP.dat file once you get it that will get you to 350WHP on less boost safely

Once your there you'll have everything you need to push the limits.
Honestly just skip the Fcon IS and get the Fcon Vpro. Same jumper harness (I believe) and the software is out there to use it. PM if you have questoins about it. You would have FULL control over all fuel, timing, 2 step, rev limiters etc.

And yes I agree that your a/f are pretty lean. I just don't know the limits of the stock fuel system.
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Old 01-17-13, 02:00 AM   #56
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This is insane! Whats the 1/4 mile time? Neck breaker for sure!
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Old 01-17-13, 06:34 AM   #57
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Quote:
Originally Posted by cwtt View Post
Honestly just skip the Fcon IS and get the Fcon Vpro. Same jumper harness (I believe) and the software is out there to use it. PM if you have questoins about it. You would have FULL control over all fuel, timing, 2 step, rev limiters etc.

And yes I agree that your a/f are pretty lean. I just don't know the limits of the stock fuel system.

Can't be done on the HKS V-pro.

Reason: V-Pro can't control 12 injectors, you could drop the DI injectors and take full control of the PI ones but then the piston and combustion chamber design will suffer. Most likely you'll be lean without boost using stock PI.

You could piggyback it. But you'll have alot of CEL

Also you could use the DI only setup and drop the PI then run the HKS Vpro. But your just going full stand alone for no reason and losing alot of built in factory tuning that works well for daily driving.

With the HKS OSC you can fix AFR under light loads and map for the S/C setup with stock ECU. Doing everything and still pass emissions in almost every state.

I passed the NC OBD2 test 2 years back to back using the F-conIS and HKS- OSC setup and never threw a CEL.

If the OP does decide to go HKS F-conIS I have maps he can use that work.

I don't have any for the Vpro unless he drops in a 2JZ-GTE single turbo. LOL......... then I haz maps for that too.

Also your tuner will need the HKS tuner dongle and software. There aren't many HKS" pro tuners" left in the US. But you can buy outside the US and get the equipment yourself.

* The stock fuel limits haven't been hit yet. * I've hit the stock ECU map limit's with my last setup before tuning with the HKS unit. which is @ 6psi.

Last edited by HKS350; 01-17-13 at 06:54 AM.
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Old 01-17-13, 06:42 AM   #58
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POST 1,700 inside the IS350 supercharger thread = Awesome!!!
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Old 01-17-13, 07:51 AM   #59
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I love this thread so much
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Old 01-17-13, 08:02 AM   #60
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OP, you take the crown I believe for best first post. Enjoy smoking isf's
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